7
Richard Trenton Chase (Blood Hungry, S01E11)


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This list can accommodate any season finale, but "Our Darkest Hour" holds a special place.
The episode's inspiration came from the notorious LA serial killer, the Night Stalker, responsible for the deaths of 20 individuals in the 80s.
The victims were being stalked and killed during power blackouts.
The Criminal Minds team assigned him a more sinister moniker - the Prince of Darkness (portrayed by Tim Curry for enhanced impact!).
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